don't publish wheel to test pypi in CI (#93)

.github/workflows/publish-to-test-pypi.yml

@@ -1,6 +1,6 @@
 # adapted from https://packaging.python.org/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
 
-name: Publish Python distributions to PyPI and TestPyPI
+name: Publish Python distributions to PyPI
 
 on:
   push:
@@ -16,7 +16,7 @@ on:
 
 jobs:
   build-n-publish:
-    name: Build and publish Python distributions to PyPI and TestPyPI
+    name: Build and publish Python distributions to PyPI
     runs-on: ubuntu-18.04
 
     steps:
@@ -42,12 +42,6 @@ jobs:
         --binary
         --out-dir dist/
         .
-    - name: Publish distribution to Test PyPI
-      uses: pypa/gh-action-pypi-publish@master
-      with:
-        skip_existing: true
-        password: ${{ secrets.test_pypi_password }}
-        repository_url: https://test.pypi.org/legacy/
     - name: Publish distribution to PyPI
       if: startsWith(github.event.ref, 'refs/tags')
       uses: pypa/gh-action-pypi-publish@master